diff options
Diffstat (limited to 'drivers/scsi/sd.h')
| -rw-r--r-- | drivers/scsi/sd.h | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/drivers/scsi/sd.h b/drivers/scsi/sd.h index 0cf9680cb469..e6241c445878 100644 --- a/drivers/scsi/sd.h +++ b/drivers/scsi/sd.h @@ -169,6 +169,11 @@ static inline unsigned int logical_to_bytes(struct scsi_device *sdev, sector_t b return blocks * sdev->sector_size; } +static inline sector_t bytes_to_logical(struct scsi_device *sdev, unsigned int bytes) +{ + return bytes >> ilog2(sdev->sector_size); +} + static inline sector_t sectors_to_logical(struct scsi_device *sdev, sector_t sector) { return sector >> (ilog2(sdev->sector_size) - 9); |